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First direct limits on lightly ionizing particles with electric charge less than e/6.
Agnese, R; Anderson, A J; Balakishiyeva, D; Basu Thakur, R; Bauer, D A; Billard, J; Borgland, A; Bowles, M A; Brandt, D; Brink, P L; Bunker, R; Cabrera, B; Caldwell, D O; Cerdeno, D G; Chagani, H; Chen, Y; Cooley, J; Cornell, B; Crewdson, C H; Cushman, P; Daal, M; Di Stefano, P C F; Doughty, T; Esteban, L; Fallows, S; Figueroa-Feliciano, E; Godfrey, G L; Golwala, S R; Hall, J; Harris, H R; Hertel, S A; Hofer, T; Holmgren, D; Hsu, L; Huber, M E; Jastram, A; Kamaev, O; Kara, B; Kelsey, M H; Kennedy, A; Kiveni, M; Koch, K; Leder, A; Loer, B; Lopez Asamar, E; Mahapatra, R; Mandic, V; Martinez, C; McCarthy, K A; Mirabolfathi, N.
Afiliação
  • Agnese R; Department of Physics, University of Florida, Gainesville, Florida 32611, USA.
  • Anderson AJ; Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Balakishiyeva D; Department of Physics, University of Florida, Gainesville, Florida 32611, USA.
  • Basu Thakur R; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bauer DA; Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
  • Billard J; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Borgland A; Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Bowles MA; SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, 2575 Sand Hill Road, Menlo Park, California 94025, USA.
  • Brandt D; Department of Physics, Syracuse University, Syracuse, New York 13244, USA.
  • Brink PL; SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, 2575 Sand Hill Road, Menlo Park, California 94025, USA.
  • Bunker R; SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, 2575 Sand Hill Road, Menlo Park, California 94025, USA.
  • Cabrera B; Department of Physics, Syracuse University, Syracuse, New York 13244, USA.
  • Caldwell DO; Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA.
  • Cerdeno DG; Department of Physics, Stanford University, Stanford, California 94305, USA.
  • Chagani H; Department of Physics, University of California, Santa Barbara, California 93106, USA.
  • Chen Y; Departamento de Física Teórica and Instituto de Física Teórica UAM/CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain.
  • Cooley J; IPPP, Department of Physics, Durham University, Durham DH1 3LE, United Kingdom.
  • Cornell B; School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
  • Crewdson CH; Department of Physics, Syracuse University, Syracuse, New York 13244, USA.
  • Cushman P; Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA.
  • Daal M; Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA.
  • Di Stefano PC; Department of Physics, Queen's University, Kingston, ON, Canada K7L 3N6.
  • Doughty T; School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
  • Esteban L; Department of Physics, University of California, Berkeley, California 94720, USA.
  • Fallows S; Department of Physics, Queen's University, Kingston, ON, Canada K7L 3N6.
  • Figueroa-Feliciano E; Department of Physics, University of California, Berkeley, California 94720, USA.
  • Godfrey GL; Departamento de Física Teórica and Instituto de Física Teórica UAM/CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain.
  • Golwala SR; School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
  • Hall J; Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Harris HR; SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, 2575 Sand Hill Road, Menlo Park, California 94025, USA.
  • Hertel SA; Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA.
  • Hofer T; Pacific Northwest National Laboratory, Richland, Washington 99352, USA.
  • Holmgren D; Department of Physics & Astronomy, Texas A&M University, College Station, Texas 77843, USA.
  • Hsu L; Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Huber ME; School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
  • Jastram A; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Kamaev O; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Kara B; Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA.
  • Kelsey MH; Department of Physics & Astronomy, Texas A&M University, College Station, Texas 77843, USA.
  • Kennedy A; Department of Physics, Queen's University, Kingston, ON, Canada K7L 3N6.
  • Kiveni M; Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA.
  • Koch K; SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, 2575 Sand Hill Road, Menlo Park, California 94025, USA.
  • Leder A; School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
  • Loer B; Department of Physics, Syracuse University, Syracuse, New York 13244, USA.
  • Lopez Asamar E; School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
  • Mahapatra R; Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Mandic V; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Martinez C; Departamento de Física Teórica and Instituto de Física Teórica UAM/CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain.
  • McCarthy KA; Department of Physics & Astronomy, Texas A&M University, College Station, Texas 77843, USA.
  • Mirabolfathi N; School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
Phys Rev Lett ; 114(11): 111302, 2015 Mar 20.
Article em En | MEDLINE | ID: mdl-25839256
ABSTRACT
While the standard model of particle physics does not include free particles with fractional charge, experimental searches have not ruled out their existence. We report results from the Cryogenic Dark Matter Search (CDMS II) experiment that give the first direct-detection limits for cosmogenically produced relativistic particles with electric charge lower than e/6. A search for tracks in the six stacked detectors of each of two of the CDMS II towers finds no candidates, thereby excluding new parameter space for particles with electric charges between e/6 and e/200.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Estados Unidos
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Estados Unidos